ATE332580T1 - Strahlformer für mehrstrahlige rundfunkantenne - Google Patents

Strahlformer für mehrstrahlige rundfunkantenne

Info

Publication number
ATE332580T1
ATE332580T1 AT02795620T AT02795620T ATE332580T1 AT E332580 T1 ATE332580 T1 AT E332580T1 AT 02795620 T AT02795620 T AT 02795620T AT 02795620 T AT02795620 T AT 02795620T AT E332580 T1 ATE332580 T1 AT E332580T1
Authority
AT
Austria
Prior art keywords
data
encoded
phase shift
beams
antenna
Prior art date
Application number
AT02795620T
Other languages
English (en)
Inventor
James M Howell
Original Assignee
Ems Technologies Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ems Technologies Inc filed Critical Ems Technologies Inc
Application granted granted Critical
Publication of ATE332580T1 publication Critical patent/ATE332580T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radio Transmission System (AREA)
  • Waveguide Aerials (AREA)
  • Aerials With Secondary Devices (AREA)
  • Support Of Aerials (AREA)
AT02795620T 2001-11-09 2002-11-08 Strahlformer für mehrstrahlige rundfunkantenne ATE332580T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US34463401P 2001-11-09 2001-11-09

Publications (1)

Publication Number Publication Date
ATE332580T1 true ATE332580T1 (de) 2006-07-15

Family

ID=23351322

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02795620T ATE332580T1 (de) 2001-11-09 2002-11-08 Strahlformer für mehrstrahlige rundfunkantenne

Country Status (6)

Country Link
US (2) US6788250B2 (de)
EP (1) EP1442499B1 (de)
AT (1) ATE332580T1 (de)
CA (1) CA2466922A1 (de)
DE (1) DE60212990D1 (de)
WO (1) WO2003041218A1 (de)

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Also Published As

Publication number Publication date
DE60212990D1 (de) 2006-08-17
EP1442499A1 (de) 2004-08-04
WO2003041218A1 (en) 2003-05-15
EP1442499B1 (de) 2006-07-05
US6788250B2 (en) 2004-09-07
CA2466922A1 (en) 2003-05-15
US20050128141A1 (en) 2005-06-16
US20030090418A1 (en) 2003-05-15
US7109919B2 (en) 2006-09-19

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Legal Events

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